1 /* $OpenBSD: ex_stop.c,v 1.6 2014/11/12 04:28:41 bentley Exp $ */ 2 3 /*- 4 * Copyright (c) 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * Copyright (c) 1992, 1993, 1994, 1995, 1996 7 * Keith Bostic. All rights reserved. 8 * 9 * See the LICENSE file for redistribution information. 10 */ 11 12 #include "config.h" 13 14 #include <sys/types.h> 15 #include <sys/queue.h> 16 17 #include <bitstring.h> 18 #include <errno.h> 19 #include <limits.h> 20 #include <stdio.h> 21 #include <string.h> 22 #include <unistd.h> 23 24 #include "../common/common.h" 25 26 /* 27 * ex_stop -- :stop[!] 28 * :suspend[!] 29 * Suspend execution. 30 * 31 * PUBLIC: int ex_stop(SCR *, EXCMD *); 32 */ 33 int 34 ex_stop(SCR *sp, EXCMD *cmdp) 35 { 36 int allowed; 37 38 /* For some strange reason, the force flag turns off autowrite. */ 39 if (!FL_ISSET(cmdp->iflags, E_C_FORCE) && file_aw(sp, FS_ALL)) 40 return (1); 41 42 if (sp->gp->scr_suspend(sp, &allowed)) 43 return (1); 44 if (!allowed) 45 ex_emsg(sp, NULL, EXM_NOSUSPEND); 46 return (0); 47 } 48